From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2C9ADC11F86 for ; Mon, 12 Jul 2021 07:18:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1372D613EE for ; Mon, 12 Jul 2021 07:18:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343995AbhGLHUP (ORCPT ); Mon, 12 Jul 2021 03:20:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:49538 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239359AbhGLGtl (ORCPT ); Mon, 12 Jul 2021 02:49:41 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8243F60233; Mon, 12 Jul 2021 06:46:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626072414; bh=0+OH/vI1Bevi7igOYXquW2fiV3TYkeCHp/4v3vimOZg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VvFKEBXwthL7ovWUQk6ouU+S8qpnzz53gz/QR+ZPuUXNZWhTQwKhOAZ8to4voWmP0 ttMuuYyK5ft0GTPq/pgK1znomT8VoKY59gXyaFv+29kWOv7P7AbCTwpQbuKhPBgkNj i8Gq37NfIUP9z3nlXIr4Meby+yEwPKKWFah5kllk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Andreas Kemnade , Lee Jones , Sasha Levin Subject: [PATCH 5.10 488/593] mfd: rn5t618: Fix IRQ trigger by changing it to level mode Date: Mon, 12 Jul 2021 08:10:48 +0200 Message-Id: <20210712060944.865747590@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210712060843.180606720@linuxfoundation.org> References: <20210712060843.180606720@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andreas Kemnade [ Upstream commit a1649a5260631979c68e5b2012f60f90300e646f ] During more massive generation of interrupts, the IRQ got stuck, and the subdevices did not see any new interrupts. That happens especially at wonky USB supply in combination with ADC reads. To fix that trigger the IRQ at level low instead of falling edge. Fixes: 0c81604516af ("mfd: rn5t618: Add IRQ support") Signed-off-by: Andreas Kemnade Signed-off-by: Lee Jones Signed-off-by: Sasha Levin --- drivers/mfd/rn5t618.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c index dc452df1f1bf..652a5e60067f 100644 --- a/drivers/mfd/rn5t618.c +++ b/drivers/mfd/rn5t618.c @@ -104,7 +104,7 @@ static int rn5t618_irq_init(struct rn5t618 *rn5t618) ret = devm_regmap_add_irq_chip(rn5t618->dev, rn5t618->regmap, rn5t618->irq, - IRQF_TRIGGER_FALLING | IRQF_ONESHOT, + IRQF_TRIGGER_LOW | IRQF_ONESHOT, 0, irq_chip, &rn5t618->irq_data); if (ret) dev_err(rn5t618->dev, "Failed to register IRQ chip\n"); -- 2.30.2